Examine source code of Oh My Proxy

{
  "manifest_version": 2,
  "name": "Oh My Proxy",
  "description": "Simple, but everything you need.",
  "version": "0.2.1",
  "permissions": [
    "proxy",
    "storage",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "shared.js",
      "routing.js",
      "check-fetch.js",
      "platform-firefox.js",
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "commands": {
    "toggle-proxy": {
      "description": "Toggle proxy"
    },
    "next-proxy": {
      "description": "Next proxy"
    },
    "prev-proxy": {
      "description": "Previous proxy"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "oh-my-proxy@kuudori.github.io",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "strict_min_version": "115.0"
    }
  }
}